[특허]Vehicular air conditioning apparatus

Keihin Corporation

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Vehicular air conditioning apparatus

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60H-001/00 B60H-003/00 B61D-027/00
미국특허분류(USC)	165/204; 165/041; 165/042
출원번호	US-0500690 (2009-07-10)
등록번호	US-8662157 (2014-03-04)
발명자 / 주소	Kitamura, Tsunetoshi Kanemaru, Junichi Kakizaki, Shinji
출원인 / 주소	Keihin Corporation
대리인 / 주소	Rankin, Hill & Clark LLP
인용정보	피인용 횟수 : 3 인용 특허 : 8

초록
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In a vehicular air conditioning apparatus, a first blower unit is connected by a connection duct to a side portion of a casing having respective air passages defined therein. In addition, air that is supplied to the interior of the casing from the first blower unit, and which is heated by the heater core, is blown from the fifth front passage alongside the heater core directly into the sixth front passage via sub-defroster dampers, and is blown out toward the front seat of the vehicle from a defroster blow-out port, which is disposed in the sixth front p...

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1. A vehicular air conditioning apparatus including a casing mounted in a vehicle and having a plurality of passages through which air flows, cooling means disposed inside the casing for cooling the air and supplying cooled air, heating means disposed on a downstream side from the cooling means for heating the air and supplying heated air, an air mixing damper for mixing at a predetermined mixing ratio the cooled air and the heated air, and a blower for supplying the air to the inside of the casing, wherein the casing comprises: a defroster opening connected to a defroster passage for blowing the air in the vicinity of a front window of the vehicle;a warm air passage formed on a downstream side from the heating means and through which the heated air flows; anda cool air passage formed on a downstream side from the cooling means and through which the air flows directly to the defroster opening without passing through the heating means,wherein, in the warm air passage, a downstream side thereof communicates with the cool air passage, and a communication opening, which communicates with the defroster opening, is formed on an upstream side of the warm air passage, and further wherein a communication switching damper is provided therein for switching a communication state between the warm air passage and the defroster opening through the communication opening, andthe defroster opening is disposed immediately above the communication switching damper and the communication switching damper is disposed immediately above the heating means such that air from the heating means is supplied linearly straight up to the defroster opening through the communication switching damper. 2. The vehicular air conditioning apparatus according to claim 1, wherein the heating means is disposed immediately above the cooling means. 3. The vehicular air conditioning apparatus according to claim 1, wherein when communication between the warm air passage and the defroster opening is blocked by the communication switching damper, the air mixing damper is driven in a direction to increase the cooled air. 4. A vehicular air conditioning apparatus installed in a vehicle, including: a blower; a casing into which an air from the blower is introduced; cooling means disposed inside the casing for cooling the air; heating means disposed inside the casing for heating the air, wherein the heating means is disposed substantially horizontally above the cooling means such that air is introduced into the heating means from a lower side thereof,the casing including:a warm air passage on which the heating means is disposed and which extends upward from the cooling means, the warm air passage being positioned on a downstream side of the cooling means;a cool air passage bypassing the heating means and extending upward from the cooling means;a mixing section formed at a position where a downstream of the warm air passage and a downstream of the cool air passage are merged, for mixing a warm air heated by the heating means and a cool air cooled by the cooling means;a mixed air passage formed on a downstream side of the mixing section, for allowing a mixed air of the warm air and the cool air to flow therethrough; anda communication hole formed above the heating means, whereinthe mixed air passage extends above the warm air passage in a direction of travel of the vehicle,the warm air passage extends from a downstream side of the heating means toward the mixing section in the direction of travel of the vehicle,the heating means is angled toward the cool air passage such that one end of the heating means closer to the cool air passage is positioned lower than another end of the heating means with respect to a horizontal direction,the mixed air passage includes a defroster opening connected to a defroster passage for blowing air to the vicinity of a front window of the vehicle, andthe defroster opening is disposed immediately above the communication hole and the communication hole is disposed immediately above the heating means such that air from the heating means is supplied linearly straight up to the defroster opening through the communication hole without being mixed with the cool air. 5. The vehicular air conditioning apparatus according to claim 4, wherein the communication hole includes a damper for opening and closing the communication hole. 6. The vehicular air conditioning apparatus according to claim 4, wherein the mixing section is provided with a temperature control damper for controlling an amount of warm air to be supplied from the warm air passage. 7. A vehicular air conditioning apparatus installed in a vehicle, including: a blower; a casing into which an air from the blower is introduced; cooling means disposed inside the casing for cooling the air; heating means disposed inside the casing for heating the air, wherein the casing includes a first passage disposed near a front side of the vehicle, a second passage disposed near a rear side of the vehicle, andwherein the heating means is disposed substantially horizontally above the cooling means such that air is introduced into the heating means from a lower side thereof, and includes a first heating section disposed on the first passage and a second heating section disposed on the second passage,the casing further including:the first passage including a first warm air passage formed on a downstream side of the cooling means and provided with the first heating section, and a first cool air passage bypassing the first heating section and formed on a vehicle front side of the first warm air passage, andthe second passage including a second warm air passage formed downstream of the cooling means and provided with the second heating section, and a second cool air passage bypassing the second heating section, whereinan opening connected to a duct communicating a vehicle compartment with the first passage is defined at an upper portion of the casing,the heating means is disposed so as to be angled such that one end of the first heating section is positioned lower than one end of the second heating section with respect to a horizontal direction,the first cool air passage is formed on a vehicle front side of the first warm air passage,the opening includes a vent opening for blowing air to the vicinity of a face of a passenger in a vehicle compartment and a defroster opening for blowing air to the vicinity of a front window of the vehicle,the vent opening is formed above the first cool air passage such that air from the cooling means is supplied linearly straight up to the vent opening, andthe defroster opening is formed above the heating means such that air from the heating means is supplied linearly straight up to the defroster opening. 8. The vehicular air conditioning apparatus according to claim 7, wherein the vent is connected to a vent duct extending toward the rear side of the vehicle, and the defroster opening is connected to a defroster duct extending toward the front side of the vehicle.

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Vehicular air conditioning apparatus

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이 특허에 인용된 특허 (8)

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Vehicular air conditioning apparatus

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이 특허에 인용된 특허 (8)

이 특허를 인용한 특허 피인용횟수: 3

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IPC 상세정보(version : 201201)

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